Finding the Fourth Proportional to 1,449,120.42, 1,999,708.11 and 804,499.09
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Solution
The fourth proportional to 1,449,120.42, 1,999,708.11 and 804,499.09 is: 1,110,165.40
Step by Step Solution
- Step 1: Write the proportion equation
1,449,120.42 : 1,999,708.11 = 804,499.09 : x - Step 2: Convert to fraction form
1,449,120.42/1,999,708.11 = 804,499.09/x - Step 3: Cross multiply
1,449,120.42x = 1,999,708.11 × 804,499.09 - Step 4: Simplify right side
1,449,120.42x = 1,608,763,354,760.62 - Step 5: Solve for x
x = 1,608,763,354,760.62/1,449,120.42 - Step 6: Final answer
x = 1,110,165.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.